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Last updated: Aug 9, 2026

Whataburger

Medium Onion Rings

SidesPopular

Whataburger Medium Onion Rings is fat-leaning, with about 51% of macro calories from fat. Each serving has 300 calories, 4g protein, 33g carbs, and 17g fat, making it a lighter restaurant option to compare with larger meals.

1 Serving

Serving Size

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300

Calories

Per serving

4 g

Protein

33 g

Carbs

17 g

Fat

Nutrition Facts

Amount per serving

Calories300 kcal

% Daily Value*

Total Fat 17 g22%

Saturated Fat 2.5 g13%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 430 mg19%

Total Carbohydrate 33 g12%

Dietary Fiber 4 g14%

Total Sugars 2 g—

Protein 4 g8%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

300

kcal

Protein4 g (5%)

Carbs33 g (44%)

Fat17 g (51%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density1.3/10

5% of macro calories come from protein.

Satiety index5.5/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate75 min walk

About 30 minutes of running for these calories.

Key Nutrients

Protein 4 g8%

Fiber 4 g14%

Sodium 430 mg19%

Sugars 2 g—

Saturated Fat 2.5 g13%

How we calculate these values

Diet Compatibility

High protein1.3/10 protein density from 4g protein and 300 calories.No

Lower carb33g carbs per serving.No

Low fat17g total fat per serving.No

High sugar2g total sugars per serving.No

High sodium430mg sodium per serving.No

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Medium Onion Rings has 100 fewer calories than # 20 Taquito with Cheese & Bacon and 16g less protein. Compare

Medium Onion Rings has 150 fewer calories than # 20 Taquito with Cheese & Chorizo and 15g less protein. Compare

# 20 Taquito with Cheese & Bacon400 kcal · 20 g protein# 20 Taquito with Cheese & Chorizo450 kcal · 19 g protein# 20 Taquito with Cheese & Potato440 kcal · 17 g protein# 20 Taquito with Cheese & Sausage420 kcal · 19 g protein# 21 Breakfast On A Bun with Bacon360 kcal · 18 g protein# 21 Breakfast On A Bun with Sausage510 kcal · 27 g protein

Compare with # 20 Taquito with Cheese & Bacon

Medium Onion Rings Compared With Nearby Items

Whataburger Medium Onion Rings is listed in the Sides category with 300 calories, 4g protein, 33g carbs, and 17g fat per serving.

Data Source and Methodology

Nutrition values for Medium Onion Rings are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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